Mathematics
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請問這題怎麼解🙏
11. 求函數y=sin²x+sinxcosx+2 cos²x 的最大值與最小值之和為
(進階觀念補充:正餘弦函數疊合與半角公式,請配合「主題4範例13」)
答:
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![想請教這題：
為什麼[2070/1]到[2070/44]每個數值都不會重複？ - 1](https://d1e9oo257tadp1.cloudfront.net/uploads/qa_question_image/file/1748036/thumb_l_webp_17465178770260.webp?Expires=1746620702&Signature=N6AZ7oki3XJhcuJUQgjVebKITGimM-NuNCbE-7WGvG72Afqs3ctIfl3wJrolTonpyxWzMP6fiCMmzvEZTR70us7SH5YT8qVNnyvolVmu8UL~JniEhiaR9XNfATKmJvSrGox6OVSoJJm6Y-RBz1EggL4qhHY6z7U4tELjoGcdIC02wIhSpy8oOB0CkdFbfUcpVd81EktJ46AZzzu8djFV3GuX6EIA4lN06ygBGOzuhFUujlYoTx7xspGGGiPuVRapguC6QJSM~RzEuQ4ljqDZlJswyR7-CYh2q1eLza4~Z6qIjQIgSptLbb5COMrCR2q83V4RPlJQnAzC1hok-C84bg__&Key-Pair-Id=K2W722D70GJS8W&Expires=1746620703&Signature=RuVHoF8em6YcwUmXLdc3AGgKGQombm3Wy~HdIn7hsOA41qXpVMUgYiNoIOc04dS-Z0~PPGoGvL8q0g0WlysOtzF3DwBaDoL87i~ZPbtJu10-Hpz-JVjqZ32kE6IZ9TPJJDoCg6wB5CBZFEMmKDS7cy3R020Y8EuZGpf1~YyRbeaoMsiNXGwFRrApnBWezKNhlPygEZReMJ38sl5RuWHafBblUMd1LisYFXTbugnfrzhHYFiU4SAXCvvPyo4H~Pwl36sPTkNRbyZvgSBmne6oR0MqEt0cKOWO01W-zbxilR7GdPvNNwvn-8Rpuc9bDYgys9MvUVU5xAhr5BrX06qyIg__&Key-Pair-Id=K2W722D70GJS8W)
![想請教這題：
為什麼[2070/1]到[2070/44]每個數值都不會重複？ - 2](https://d1e9oo257tadp1.cloudfront.net/uploads/qa_question_image/file/1748037/thumb_l_webp_17465178770500.webp?Expires=1746620703&Signature=fFXRT6PfP8BxkaEsJ1Wrrvml5GOz011kUdGmuHdTRprr0v9hPhRoFNNaluqeSEOP1yZSbWEKC6VoLjQGMe5AWNmLh9sp-KBD-97dlqwoIdgRGB4pILa7cFYcklxzuEOq2FKsxwA1nebwr4XP6q7D2~~mh9A4lkoOBKAGkBqC8K-SoK~hYV-x9CsMepar1O09XLJw15UEivrjQsrQi0XLyYank97h3ub0-IU25hRvCsosuSU1ucweSKOr1u2vzoVMIfVnp02tWeWi4d2WXFLOvoFKN0sdihulg0YBhife~oMq8paqM7dd12CSmutSni00Whn1Ofb-bYqLQB4YXfD4Lg__&Key-Pair-Id=K2W722D70GJS8W&Expires=1746620703&Signature=ShPem3qJFKfQ0XXEwZz67oaBRDPnre7KS1i~J--0mZ1wR8rSHqhhrT8EaM~BsE2qeaUdRnUl5oo0AwNVYS4j-0THBewdJk4-XEpwi~k1DHG-qSuOYRn7XTgpyATBr0u2krhFt3OTccnlYTIbBtxs5TbrwenD6VwH9Fv7ehbnyq0v7~0UVTEzNY6WImiGQBhL-KrDhAyAsBGiMw8OksKLHGRl4Wk6YNzjaF2GTQmLKdxE5mcvGEyKFiu0LQndIX90ULIRhSwXpYjLpMeJCAH83og0u9VSzX7P1SU0SvYxjsQ5cC4PGQjULGEo11ZOEUVqAjo~SLcqlDu7I-uxQHTe2Q__&Key-Pair-Id=K2W722D70GJS8W)
明白了！非常感謝！！